How many K is 150 °C?
150 °C = 423.15 K
It is 423.15 K, so saying 423 K is fine — rounding is within 0.5%.
And how many °C is 150 K?
150 K = -123.15 °C
Formula: K = °C × 1 + 273.15
°C to K around this value
60 °C333.15K
70 °C343.15K
80 °C353.15K
90 °C363.15K
100 °C373.15K
110 °C383.15K
120 °C393.15K
130 °C403.15K
140 °C413.15K
150 °C423.15K
160 °C433.15K
170 °C443.15K
180 °C453.15K
190 °C463.15K
200 °C473.15K
210 °C483.15K
220 °C493.15K
230 °C503.15K
240 °C513.15K
250 °C523.15K